<!--
/*
Copyright (c) 2004-2008, The Dojo Foundation
All Rights Reserved.

Licensed under the Academic Free License version 2.1 or above OR the
modified BSD license. For more information on Dojo licensing, see:

http://dojotoolkit.org/community/licensing.shtml
*/
-->
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"></meta>
<!-- Security protection: uncomment the start and end script tags to enable. -->
<!-- script type="text/javascript" -->
// <!--

function pollHash(){
//Can't use location.hash because at least Firefox does a decodeURIComponent on it.
var urlParts = window.location.href.split("#");
if(urlParts.length == 2){
var newHash = urlParts[1];
if(newHash != xipCurrentHash){
try{
callMaster(xipStateId, newHash);
}catch(e){
//Make sure to not keep processing the error hash value.
xipCurrentHash = newHash;
throw e;
}
xipCurrentHash = newHash;
}
}
}

function unpackMessage(encodedMessage){
var parts = encodedMessage.split(":");
var command = parts[1];
encodedMessage = parts[2] || "";

var config = null;
if(command == "init"){
var configParts = encodedMessage.split("&");
config = {};
for(var i = 0; i < configParts.length; i++){
var nameValue = configParts[i].split("=");
config[decodeURIComponent(nameValue[0])] = decodeURIComponent(nameValue[1]);
}
}
return {command: command, message: encodedMessage, config: config};
}

//************** Init **************************
xipCurrentHash = "";

//Decode the init params
var fragId = window.location.href.split("#")[1];
var config = unpackMessage(fragId).config;

xipStateId = config.id;
xipMasterFrame = parent.parent;

//Set up an HTML5 messaging publisher if postMessage exists.
//As of this writing, this is only useful to get Opera 9.25+ to work.
if(typeof document.postMessage != "undefined"){
callMaster = function(stateId, message){
xipMasterFrame.document.postMessage(stateId + "#" + message);
}
}else{
var parts = config.callback.split(".");
xipCallbackObject = xipMasterFrame;
for(var i = 0; i < parts.length - 1; i++){
xipCallbackObject = xipCallbackObject[parts[i]];
}
xipCallback = parts[parts.length - 1];

callMaster = function(stateId, message){
xipCallbackObject[xipCallback](stateId + "#" + message);
}
}

//Call the master frame to let it know it is OK to start sending.
callMaster(xipStateId, "0:loaded");

//Start counter to inspect hash value.
setInterval(pollHash, 10);

// -->
<!-- </script> -->
</head>
<body>
<h4>The Dojo Toolkit -- xip_client.html</h4>

<p>This file is used for Dojo's XMLHttpRequest Iframe Proxy. This is the "client" file used
internally by dojox.io.proxy.xip.</p>
</body>
</html>
